Properties of the Number 84120

Eighty-Four Thousand One Hundred Twenty

Basics

Value: 84119 → 84120 → 84121

Parity: even

Prime: No

Previous Prime: 84089

Next Prime: 84121

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 5 × 701

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100100010011000

Octal: 244230

Duodecimal: 40820

Hexadecimal: 14898

Square: 7076174400

Square Root: 290.0344807087599

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Numbers n such that sopf(n) = sopf(n-1) + sopf(n-2), where sopf(x) = sum of the distinct prime factors of x. A75565

Number of compositions of n such that the cardinality of the set of parts is 2. A131661

a(n) = 841·n² + 2·n. A158403

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 29. A31707

a(n) = 6·a(n-1) - 3·a(n-2), a(0)=1, a(1)=3. A84120